
Concept explainers
(a)
Interpretation:
The balanced equation for the overall cell reaction has to be given.
Concept Introduction:
Cell potential (EMF):
The maximum potential difference between two electrodes of voltaic cell is known as cell potential.
If standard reduction potentials of electrodes are known, the cell potential (EMF) is given by,
Where,
(b)
Interpretation:
The change in free energy and the equilibrium constant has to be calculated.
Concept Introduction:
Standard cell potential and equilibrium constant:
The standard cell potential related to the free-energy is given by the equation,
The free-energy change is also related to equilibrium constant by the equation,
Combine both the equations,
Where,
(c)
The effect on the cell voltage of a tenfold change in the concentration of

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Chapter 17 Solutions
General Chemistry: Atoms First
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